[PATCH] fix free swap cache latency

[linux-2.6-omap-h63xx.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index 2bee1f21aa8aa92294ef481778b3c370063413fb..85e80a57db29e2412ef766268996ec005c3e16c8 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -82,6 +82,16 @@ EXPORT_SYMBOL(num_physpages);
 EXPORT_SYMBOL(high_memory);
 EXPORT_SYMBOL(vmalloc_earlyreserve);
 
+int randomize_va_space __read_mostly = 1;
+
+static int __init disable_randmaps(char *s)
+{
+       randomize_va_space = 0;
+       return 0;
+}
+__setup("norandmaps", disable_randmaps);
+
+
 /*
  * If a p?d_bad entry is found while walking page tables, report
  * the error, before resetting entry to p?d_none.  Usually (but
@@ -613,11 +623,12 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb,
                        (*zap_work)--;
                        continue;
                }
+
+               (*zap_work) -= PAGE_SIZE;
+
                if (pte_present(ptent)) {
                        struct page *page;
 
-                       (*zap_work) -= PAGE_SIZE;
-
                        page = vm_normal_page(vma, addr, ptent);
                        if (unlikely(details) && page) {
                                /*